<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="#" onsubmit="return false;" autocomplete="on">
        用户名：<input type="text" name="username" id="">
        邮箱：<input type="email" name="email">
        手机号：<input type="tel" name="phone" autocomplete="off">
        <br>
        <input type="submit" value="提交">
    </form>
</body>
</html>